19967520

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2447}}^1$

素因数の和:2482

約数の個数: 96

約数和(自身を含む): 66624768

約数和(自身を除く): 46657248

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 68, 80, 85, 96, 102, 120, 136, 160, 170, 204, 240, 255, 272, 340, 408, 480, 510, 544, 680, 816, 1020, 1360, 1632, 2040, 2447, 2720, 4080, 4894, 7341, 8160, 9788, 12235, 14682, 19576, 24470, 29364, 36705, 39152, 41599, 48940, 58728, 73410, 78304, 83198, 97880, 117456, 124797, 146820, 166396, 195760, 207995, 234912, 249594, 293640, 332792, 391520, 415990, 499188, 587280, 623985, 665584, 831980, 998376, 1174560, 1247970, 1331168, 1663960, 1996752, 2495940, 3327920, 3993504, 4991880, 6655840, 9983760, 19967520]

約数ペア:

[(1, 19967520), (2, 9983760), (3, 6655840), (4, 4991880), (5, 3993504), (6, 3327920), (8, 2495940), (10, 1996752), (12, 1663960), (15, 1331168), (16, 1247970), (17, 1174560), (20, 998376), (24, 831980), (30, 665584), (32, 623985), (34, 587280), (40, 499188), (48, 415990), (51, 391520), (60, 332792), (68, 293640), (80, 249594), (85, 234912), (96, 207995), (102, 195760), (120, 166396), (136, 146820), (160, 124797), (170, 117456), (204, 97880), (240, 83198), (255, 78304), (272, 73410), (340, 58728), (408, 48940), (480, 41599), (510, 39152), (544, 36705), (680, 29364), (816, 24470), (1020, 19576), (1360, 14682), (1632, 12235), (2040, 9788), (2447, 8160), (2720, 7341), (4080, 4894)]